Two-color coherent control of femtosecond above-threshold photoemission from a Tungsten nanotip

Förster M, Paschen T, Krüger M, Lemell C, Wachter G, Libisch F, Madlener T, Burgdoerfer J, Hommelhoff P (2016)

Publication Status: Published

Publication Type: Journal article, Original article

Publication year: 2016

Journal

Physical Review Letters American Physical Society

Publisher: American Physical Society

Book Volume: 117

Article Number: 217601

Journal Issue: 21

URI: https://arxiv.org/abs/1603.01516

DOI: 10.1103/PhysRevLett.117.217601

Abstract

We demonstrate coherent control of multiphoton and above-threshold photoemission from a single solid-state nanoemitter driven by a fundamental and a weak second harmonic laser pulse. Depending on the relative phase of the two pulses, electron emission is modulated with a contrast of the oscillating current signal of up to 94%. Electron spectra reveal that all observed photon orders are affected simultaneously and similarly. We confirm that photoemission takes place within 10 fs. Accompanying simulations indicate that the current modulation with its large contrast results from two interfering quantum pathways leading to electron emission.

Authors with CRIS profile

Michael Förster Lehrstuhl für Laserphysik Timo Paschen Lehrstuhl für Laserphysik Michael Krüger Lehrstuhl für Laserphysik Peter Hommelhoff Lehrstuhl für Laserphysik

Involved external institutions

Technische Universität Wien / Vienna University of Technology AT Austria (AT)

How to cite

APA:

Förster, M., Paschen, T., Krüger, M., Lemell, C., Wachter, G., Libisch, F.,... Hommelhoff, P. (2016). Two-color coherent control of femtosecond above-threshold photoemission from a Tungsten nanotip. Physical Review Letters, 117(21). https://doi.org/10.1103/PhysRevLett.117.217601

MLA:

Förster, Michael, et al. "Two-color coherent control of femtosecond above-threshold photoemission from a Tungsten nanotip." Physical Review Letters 117.21 (2016).

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